/*
* Copyright 2002-2009 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.web.portlet.mvc;
import javax.portlet.ResourceRequest;
import javax.portlet.ResourceResponse;
import org.springframework.web.portlet.ModelAndView;
/**
* Extension of the Portlet {@link Controller} interface that allows
* for handling Portlet 2.0 resource requests as well. Can also be
* implemented by {@link AbstractController} subclasses.
*
* @author Juergen Hoeller
* @since 3.0
* @see javax.portlet.ResourceServingPortlet
* @see Controller
* @see EventAwareController
*/
public interface ResourceAwareController {
/**
* Process the resource request and return a ModelAndView object which the DispatcherPortlet
* will render. A <code>null</code> return value is not an error: It indicates that this
* object completed request processing itself, thus there is no ModelAndView to render.
* @param request current portlet resource request
* @param response current portlet resource response
* @return a ModelAndView to render, or null if handled directly
* @throws Exception in case of errors
*/
ModelAndView handleResourceRequest(ResourceRequest request, ResourceResponse response) throws Exception;
}
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